UNIVERSAL CITY, Calif. � July 16, 2009 � NBC's "The Tonight Show with Conan O'Brien" has delivered a decisive win for the week of July 6-10 in late-night's key demographic of adults 18-49, beating CBS's "Late Show with David Letterman" on five of five nights. "Tonight" also more than doubled "Late Show" in the younger half of the key demo, adults 18-34.

For the week, Conan delivered bigger audiences than Letterman in adults, men and women 18-34; adults, men and women 18-49; and adults and men 25-54.

The median age of Conan's audience last week was 46.7, more than 10 years younger than Letterman's 57.3. Conan is also younger than he was a year ago on "Late Night," where the median age of his audience for this same week one year ago was 48.7.

"Late Night with Jimmy Fallon" scored convincing wins at 12:35 a.m. ET last week, taking the slot with encore telecasts over originals of CBS' "Late Late Show with Craig Ferguson" by a 24 percent margin in 18-49 viewers and 74 percent in 18-34 viewers.

Fallon encores also delivered a bigger adult 18-34 audience than Letterman originals, though the Fallon rebroadcasts aired an hour later than the "Late Show" originals.

At 1:35 a.m. ET, encore telecasts of "Last Call with Carson Daly" (0.3 rating in 18-49) finished within a tenth of a rating point of "Late Late Show" originals (0.4) and ABC's "Jimmy Kimmel Live" rebroadcasts (0.4). In the valuable adult 18-34 category, the "Last Call" encores tied the rating of both the "Late Late Show" originals and the Kimmel rebroadcasts (0.3 each).

For the week of July 6-10, Conan's average 1.441 million adults 18-49 topped the 1.113 million of Letterman; in total viewers, Conan's audience of 2.816 million persons trailed Letterman's 3.678 million; and in adults 18-34, Conan's 727,000 million out-scored Letterman's 353,000. At 12:35 a.m. ET, Jimmy Fallon's 710,000 adults 18-49 for the week out-delivered Ferguson's 571,000; in total viewers, Jimmy's 1.285 million trailed Ferguson's 1.567 million; and in adults 18-34, Jimmy's 356,000 topped Ferguson's 205,000.

WEEKLY AVERAGES
(According to in-home viewing figures from Nielsen Media Research for the week of July 6-10. Ratings reflect "live plus same day" data unless otherwise noted. Season-to-date figures are averages of "live plus seven day" data except for the two most recent weeks, which are "live plus same day.")